Associate Professor
Graduate Coordinator

Contact Info

Room 455, Brooks Hall (310 Herty Dr.)
Phone Number:


  • PhD, Statistics, Cornell University
  • MS, Statistics, Nankai University
  • BS, Mathematics, Nankai University


  • M. G. Michael Award, University of Georgia, 2016
  • Teaching Academy Fellow, University of Georgia, 2014
  • Provost Summer Research Grant, University of Georgia, 2014

Research Interests

  • Social Networks
  • Machine Learning
  • Rare and Weak Signals in Big Data
  • Quantitative Evaluation of Academic Research
  • Variable/Feature Selection

Selected Publications

  1. Jiang, X., Ji, P. and Li, S. (2019). CensNet: Convolution with Edge-Node Switching in Graph Neural Networks.  International Joint Conference on Artificial Intelligence (IJCAI)Full text.
  2. Ji, P. and Nussbaum, M. (2017). Sharp minimax adaptation over Sobolev ellipsoids in nonparametric testing.  Electronic Journal of Statististics, Vol. 11, No. 2, 4515-4562. Full text at Euclid
  3. Ji, P. and Jin, J. (2016). Coauthorship and Citation Networks for Statisticians. Annals of Applied Statistics with discussions,  Vol. 10, No. 4, 1779-1812. Presented in the AOAS Invited Lecture at the Joint Statistical Meetings (JSM) 2016 in Chicago.  Download the main paper, discussions (#1#2#3#4#5#6) and rejoinder.  Download data set and computer code.
  4. Ji, P. and Zhao, Z. (2014). Rate optimal multiple testing procedure in high dimensional regression. Full text at arXiv.
  5. Ji, P. and Jin, J. (2012). UPS Delivers Optimal Phase Diagram in High Dimensional Variable Selection. Annals of Statistics Vol. 40, No. 1, 73-103. Full text at Euclid, Matlab code, and the R package ScreenClean.


Research Areas:

Events with Pengsheng Ji